Those who smoke regularly for a few weeks or longer will have withdrawal symptoms if they suddenly stop using tobacco or greatly reduce the amount they smoke. Withdrawal symptoms usually start within a few hours of the last cigarette and peak about 2 to 3 days later when most of the nicotine and its by-products are out of the body. Symptoms can last for a few days to up to several weeks. The symptoms will get better every day that you stay smoke-free.
Withdrawal symptoms may include: